Large-capacity longitudinal corner tube boiler

A corner tube boiler and vertical installation technology, which is applied to water tube type steam boilers, steam boilers, boiler support/positioning devices, etc., can solve the problems of being limited to a small range and difficult to ensure sealing, and achieves reduction of expansion gaps and earthquake resistance. Good sex and weight reduction effect

Active Publication Date: 2020-02-28
哈尔滨红光锅炉总厂有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing corner tube boiler has no steel support, the grate is arranged in a single structure, and the expansion direction of the boiler is too large during operation. If the expansion amount is too large, the sealing

Method used

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  • Large-capacity longitudinal corner tube boiler
  • Large-capacity longitudinal corner tube boiler
  • Large-capacity longitudinal corner tube boiler

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0017] Specific implementation mode 1: Combination Figure 1-Figure 9 To illustrate this embodiment, a large-capacity vertical angle tube boiler described in this embodiment includes a boiler body, a smoke exhaust mechanism, and a rear heating surface. The boiler body and the rear heating surface are connected by a smoke exhaust mechanism. The boiler body includes a boiler. Tube 1, front arch water wall 2, rear arch water wall 3, side water wall, flue water wall 19, extraction pipe 4, steam header 5, connecting pipe 15, combustion chamber 24, flag convection screen 25, convection Flue, left grate 9, right grate 10, support seat assembly, upper header, lower header, front left drop pipe 6, front middle drop pipe 8, front right drop pipe 7, rear left drop pipe 16, rear The middle down tube 18 and the rear right down tube 17; the front left down tube 6, the front middle down tube 8 and the front right down tube 7 are arranged at the front end of the boiler body, the rear left down ...

Example Embodiment

[0019] Specific implementation manner two: combination Figure 1-Figure 3 To explain this embodiment, a large-capacity vertical angle tube boiler described in this embodiment, the drum 1 is installed above the front middle down tube 8 and the rear middle down tube 18 through an upper header, and the whole boiler does not have an independent The supporting steel frame greatly reduces the weight of the traditional steel frame structure boiler. The vertical arrangement of the boiler drum also reduces the length of the boiler drum, thereby reducing the weight and water volume, and reducing the load of the entire boiler. The other structures and methods are the same as in the first embodiment.

Example Embodiment

[0020] Specific implementation mode three: combination Figure 1-Figure 9 To illustrate this embodiment, a large-capacity vertical angle tube boiler described in this embodiment, the support base assembly includes a fixed support base 31, two multidirectional support bases 32 and three unidirectional support bases 33; fixed support bases 31 is installed under the front middle down tube 8, the front left down tube 6, the front right down tube 7 and the rear middle down tube 18 are respectively installed with a one-way support seat 33, the rear left down tube 16 and the rear right down tube 17 A multi-directional support seat 32 is installed below each. The support base assembly is provided with six fulcrums. The load is transferred to the boiler foundation through the corresponding support. The one-way support seat 33 relies on the restriction of the limit channel steel. The front right support allows free expansion to the right, the front left support allows free expansion to ...

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Abstract

The invention relates to a corner tube boiler, and particularly relates to a large-capacity longitudinal corner tube boiler. The large-capacity longitudinal corner tube boiler aims to solve the problems that an existing corner tube boiler is not supported by a steel frame, a fire grate is arranged in a single structure, the expansion direction is unidirectional when the size of the boiler is too large during operation, the sealing performance between a boiler body and the fire grate is not easily guaranteed if the expansion amount is too large, and the capacity of a transverse four-corner supporting corner tube boiler can only be limited within a small range. The large-capacity longitudinal corner tube boiler comprises the boiler body, a smoke exhaust mechanism and a tail heating surface,wherein the boiler body is connected with the tail heating surface through the smoke exhaust mechanism; and the boiler body comprises a boiler barrel, a front arch water cooling wall, a rear arch water cooling wall, a side water cooling wall, a flue water cooling wall, an outlet pipe, a steam collecting pipe, a connecting pipe, a burnout chamber, a flag type convection screen, a convection flue, aleft fire grate, a right fire grate, a supporting base assembly, an upper header, a lower header, a front left descending pipe, a front middle descending pipe, a front right descending pipe, a rear left descending pipe, a rear middle descending pipe and a rear right descending pipe. The large-capacity longitudinal corner tube boiler is used for the field of corner tube boilers.

Description

technical field [0001] The invention relates to a corner tube boiler, in particular to a large-capacity vertical corner tube boiler. Background technique [0002] Traditional steel-frame boilers have complex components, heavy weight, long installation period, insufficient combustion, low actual operating efficiency, and high air pollutant emission values. The size should not be too large, the grate is arranged in a single structure, and the size should not be too wide. When the boiler is too large, the expansion direction is unidirectional during operation. If the expansion is too large, the seal between the boiler body and the grate is not easy to guarantee. These factors are As a result, the capacity of the horizontal four-corner support corner tube boiler can only be limited to a small range. Contents of the invention [0003] The present invention solves the problem that the existing angle tube boiler has no steel frame support, and the grate is arranged in a single s...

Claims

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Application Information

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IPC IPC(8): F22B21/36F22B31/00F22B37/24F23J15/02
CPCF22B21/366F22B31/00F22B37/24F23J15/022F23J2215/10F23J2215/101
Inventor 张华斌秦晶晶宫成明
Owner 哈尔滨红光锅炉总厂有限责任公司
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